Simple Steam Power Cycle - MCQs with Answers
Q1. What will be the net change in internal energy of working fluid of power cycle over the complete cycle?a. net change in internal energy of working fluid will be positive
b. net change in internal energy of working fluid will be negative
c. no any net change in internal energy of working fluid
d. none of the above
View Answer / Hide Answer ANSWER: c. no any net change in internal energy of working fluid
Q2. What is the relation between net energy transferred to unit mass of the working fluid as heat in the power cycle and net energy transfer as work from the working fluid in the same power cycle, if the cycle works ideally?a. net energy transferred to unit mass of the working fluid as heat in the power cycle is
greater than net energy transfer as work from the working fluid in the same power cycle
b. net energy transferred to unit mass of the working fluid as heat in the power cycle is
less than net energy transfer as work from the working fluid in the same power cycle
c. net energy transferred to unit mass of the working fluid as heat in the power cycle is
equal to net energy transfer as work from the working fluid in the same power cycle
d. cannot say
View Answer / Hide Answer ANSWER: c. net energy transferred to unit mass of the working fluid as heat in the power cycle is equal to net energy transfer as work from the working fluid in the same power cycle
Q3. What is the formula for efficiency of vapour power cycle?a. η
cycle = W
net / Q
inb. η
cycle = (W
T – W
P) / Q
inc. η
cycle = (Q
in – Q
out) / Q
ind. all of the above
View Answer / Hide Answer ANSWER: d. all of the above
